Replace Spaces in Text

Need to swap every space in your text for something else? The Replace Spaces in Text Tool lets you instantly convert spaces into any character or string underscores, dashes, pipes, even emojis. It’s perfect for formatting strings, transforming file names, or prepping text for special use cases.

Paste your input above or import a file below.
No file chosen
Supported file types: .txt, .csv, .tsv, .log, .json, .xml, .md, .ini, .yaml, .yml, .html, .htm, .css
Total characters: 0
Options

How to Use:

  1. Paste or type your content into the Input Text box.
  2. (Optional) Click Choose File to upload a .txt, .csv, .md, .html, or other supported plain-text file.
  3. In the Options box, enter the string you want to replace every space with (e.g. _, -, |, or any text).
  4. The modified result will update instantly in the Modified Output box.
  5. Use Copy Output to copy the result or Export to File to save it as a .txt file.
  6. Click Clear All to reset all fields and start over.

What Replace Spaces in Text Tool can do:

This tool scans your input and replaces every space character with your chosen replacement. It leaves everything else exactly as it is. The replacement happens live as you type, and you can export or copy the result instantly. Whether you’re reformatting sentences, generating underscore-delimited labels, or just experimenting, it gets the job done instantly.

Example:

Input:

this is an example

Replace spaces with:

_

Output:

this_is_an_example

Total characters:

19

Common Use Cases:

Useful for developers formatting variable names or filenames, writers replacing spaces with dashes or bullets, and anyone who needs consistent, structured text without spaces. You can also use it for URL-safe text generation or quick input reformatting. It’s fast, secure, and works entirely in your browser.

Useful Tools & Suggestions:

If you’re reformatting layout or data, Replace Line Breaks in Text pairs well great when you’re flattening content or preparing it for inline display. And for more structured transformations, Replace Commas in Text helps standardize separators when working with lists, tables, or delimited data.